1   /**
2    * Copyright (c) 2000-2009 Liferay, Inc. All rights reserved.
3    *
4    *
5    *
6    *
7    * The contents of this file are subject to the terms of the Liferay Enterprise
8    * Subscription License ("License"). You may not use this file except in
9    * compliance with the License. You can obtain a copy of the License by
10   * contacting Liferay, Inc. See the License for the specific language governing
11   * permissions and limitations under the License, including but not limited to
12   * distribution rights of the Software.
13   *
14   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16   * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
17   * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
18   * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
19   * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
20   * SOFTWARE.
21   */
22  
23  package com.liferay.taglib.portlet;
24  
25  import com.liferay.portal.kernel.util.MethodInvoker;
26  import com.liferay.portal.kernel.util.MethodWrapper;
27  import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
28  
29  import javax.servlet.jsp.JspException;
30  import javax.servlet.jsp.tagext.TagSupport;
31  
32  /**
33   * <a href="DefineObjectsTag.java.html"><b><i>View Source</i></b></a>
34   *
35   * @author Brian Wing Shun Chan
36   */
37  public class DefineObjectsTag extends TagSupport {
38  
39      public int doStartTag() throws JspException {
40          Thread currentThread = Thread.currentThread();
41  
42          ClassLoader contextClassLoader = currentThread.getContextClassLoader();
43  
44          try {
45              currentThread.setContextClassLoader(
46                  PortalClassLoaderUtil.getClassLoader());
47  
48              MethodWrapper methodWrapper = new MethodWrapper(
49                  _TAG_CLASS, _TAG_DO_START_METHOD, new Object[] {pageContext});
50  
51              MethodInvoker.invoke(methodWrapper);
52          }
53          catch (Exception e) {
54              throw new JspException(e);
55          }
56          finally {
57              currentThread.setContextClassLoader(contextClassLoader);
58          }
59  
60          return SKIP_BODY;
61      }
62  
63      public int doEndTag() {
64          return EVAL_PAGE;
65      }
66  
67      private static final String _TAG_CLASS =
68          "com.liferay.portal.servlet.taglib.portlet.DefineObjectsTagUtil";
69  
70      private static final String _TAG_DO_START_METHOD = "doStartTag";
71  
72  }